23649352272 has 400 divisors, whose sum is σ = 84761797120. Its totient is φ = 6198902784.

The previous prime is 23649352267. The next prime is 23649352283. The reversal of 23649352272 is 27225394632.

23649352272 is a `hidden beast` number, since 2 + 36 + 4 + 93 + 522 + 7 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 22761129 + ... + 22762167.

Almost surely, 2^23649352272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23649352272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42380898560).

23649352272 is an abundant number, since it is smaller than the sum of its proper divisors (61112444848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23649352272 is a wasteful number, since it uses less digits than its factorization.

23649352272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272 (or 1257 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 45.

The spelling of 23649352272 in words is "twenty-three billion, six hundred forty-nine million, three hundred fifty-two thousand, two hundred seventy-two".